[INFO] cloning repository https://github.com/AbhinavRobinson/rust-tcp-rfc-793
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AbhinavRobinson/rust-tcp-rfc-793" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbhinavRobinson%2Frust-tcp-rfc-793", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbhinavRobinson%2Frust-tcp-rfc-793'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33224009d65ef0a8073e047c4f39e17d80b54354
[INFO] checking AbhinavRobinson/rust-tcp-rfc-793 against try#2b39fe756f52bc2825bf5b2bfc385cab922dae10 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbhinavRobinson%2Frust-tcp-rfc-793" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AbhinavRobinson/rust-tcp-rfc-793
[INFO] finished tweaking git repo https://github.com/AbhinavRobinson/rust-tcp-rfc-793
[INFO] tweaked toml for git repo https://github.com/AbhinavRobinson/rust-tcp-rfc-793 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AbhinavRobinson/rust-tcp-rfc-793 on toolchain 2b39fe756f52bc2825bf5b2bfc385cab922dae10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AbhinavRobinson/rust-tcp-rfc-793 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6414ff20bf22a1ef21f3276b95b1661f364b522f99089cd8e1ba3d2c168755c7
[INFO] running `Command { std: "docker" "start" "-a" "6414ff20bf22a1ef21f3276b95b1661f364b522f99089cd8e1ba3d2c168755c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6414ff20bf22a1ef21f3276b95b1661f364b522f99089cd8e1ba3d2c168755c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6414ff20bf22a1ef21f3276b95b1661f364b522f99089cd8e1ba3d2c168755c7", kill_on_drop: false }`
[INFO] [stdout] 6414ff20bf22a1ef21f3276b95b1661f364b522f99089cd8e1ba3d2c168755c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 819fff3cb55b4f73c3923395c743b457470bc9f0039e488bda0d5e84277ef650
[INFO] running `Command { std: "docker" "start" "-a" "819fff3cb55b4f73c3923395c743b457470bc9f0039e488bda0d5e84277ef650", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling cc v1.1.15
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking etherparse v0.15.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling tun-tap v0.1.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.18
[INFO] [stderr]     Checking rust-tcp-rfc-793 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `network_interface`
[INFO] [stdout]    --> src/tcp.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |         network_interface: &mut tun_tap::Iface,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_network_interface`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ip_header`
[INFO] [stdout]    --> src/tcp.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         ip_header: Ipv4HeaderSlice<'a>,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/tcp.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         data: &'a [u8],
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `network_interface`
[INFO] [stdout]    --> src/tcp.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |         network_interface: &mut tun_tap::Iface,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_network_interface`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ip_header`
[INFO] [stdout]    --> src/tcp.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         ip_header: Ipv4HeaderSlice<'a>,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/tcp.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         data: &'a [u8],
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Estab` is never constructed
[INFO] [stdout]  --> src/tcp.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum State {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 7 |     Estab,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `up`, `wl1`, and `wl2` are never read
[INFO] [stdout]   --> src/tcp.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct SendSequenceSpace {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     up: bool,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 15 |     wl1: u16,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 16 |     wl2: u16,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `wnd`, `up`, and `irs` are never read
[INFO] [stdout]   --> src/tcp.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct RecvSequenceSpace {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 21 |     nxt: u32,
[INFO] [stdout] 22 |     wnd: u16,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 23 |     up: bool,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 24 |     irs: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Estab` is never constructed
[INFO] [stdout]  --> src/tcp.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum State {
[INFO] [stdout]   |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 7 |     Estab,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `up`, `wl1`, and `wl2` are never read
[INFO] [stdout]   --> src/tcp.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct SendSequenceSpace {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     up: bool,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 15 |     wl1: u16,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 16 |     wl2: u16,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `wnd`, `up`, and `irs` are never read
[INFO] [stdout]   --> src/tcp.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct RecvSequenceSpace {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 21 |     nxt: u32,
[INFO] [stdout] 22 |     wnd: u16,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 23 |     up: bool,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 24 |     irs: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.67s
[INFO] running `Command { std: "docker" "inspect" "819fff3cb55b4f73c3923395c743b457470bc9f0039e488bda0d5e84277ef650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "819fff3cb55b4f73c3923395c743b457470bc9f0039e488bda0d5e84277ef650", kill_on_drop: false }`
[INFO] [stdout] 819fff3cb55b4f73c3923395c743b457470bc9f0039e488bda0d5e84277ef650
